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Re: rotating an object around the center of a view

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Re: rotating an object around the center of a view

Subject: Re: rotating an object around the center of a view
From: Wain <email@hidden>
Date: Sun, 4 Mar 2007 11:49:18 +0000

Hi,

Can you not do a - (void)translateXBy:(float)deltaX yBy:(float)deltaY before your rotation?

Wain

On 4 Mar 2007, at 10:07, Ken Tozier wrote:

Hi
I'm writing a clock class and am having some trouble getting the hands to rotate around the center of the view using an NSAffineTransform. As it stands now, it's rotating the hands around the lower left corner of the view. Is there any way to set the draw origin of the view to the center without moving the view itself?

Alternately, is there a way to define a transform so that it rotates from a specified point rather than the lower left corner?
Thanks
Ken

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References:  
  >rotating an object around the center of a view (From: Ken Tozier <email@hidden>)




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